Home / 808,992.66-1,116,631.90-469,570.26

Finding the Fourth Proportional to 808,992.66, 1,116,631.90 and 469,570.26

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Solution

The fourth proportional to 808,992.66, 1,116,631.90 and 469,570.26 is: 648,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,992.66 : 1,116,631.90 = 469,570.26 : x
  2. Step 2: Convert to fraction form
    808,992.66/1,116,631.90 = 469,570.26/x
  3. Step 3: Cross multiply
    808,992.66x = 1,116,631.90 × 469,570.26
  4. Step 4: Simplify right side
    808,992.66x = 524,337,131,607.29
  5. Step 5: Solve for x
    x = 524,337,131,607.29/808,992.66
  6. Step 6: Final answer
    x = 648,135.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.